200km/h客货共线某铁路顺层边坡破坏机理及加固措施研究

Research on Failure Mechanism and Reinforcement Measures of a Railway Consequent Slope Along 200Km/h Passenger-freight Common Line

以云南西部某铁路岩石顺层边坡破坏整治工程为背景,从工程地质角度对顺层边坡变形破坏和失稳机理进行了分析,确定了破坏范围和力学参数,采用安全系数对边坡稳定进行快速评价。通过工程措施的对比,提出了顺层清方为主,辅以锚索框架、平孔排水等工程措施,成功解决了边坡失稳的问题,通过开通4a来连续观测,目前边坡稳定,使用正常。

In this paper,the mechanism of deformation,failure and destabilization of rock bedding slope is analyzed from the engineering geological point of view on the background of a railway rock bedding slope destroy regulation project in Western Yunnan.It determines the scope of damage and mechanical parameters,and uses safety factor to quickly evaluate the slope stability.Through the comparison of Engineering measures,the method of layering clearing mainly,supplemented by anchor cable frame,flat hole drainage and other engineering measures is put forward,which successfully solves the problem of slope instability.Through continuous observation for 4 years since its opening,the slope is now stable and in normal use.